{"title":"#4-40 Button Head Cap Screws","description":"\u003cp\u003e#4-40 Button Head Socket Cap Screws in all available lengths, grades, materials, and finishes. This collection covers every #4-40 option in stock — use the filters to narrow by length, grade, material, and finish.\u003c\/p\u003e\n\u003ch2\u003e#4-40 Thread Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal diameter:\u003c\/strong\u003e 0.112\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads per inch:\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap drill (75% thread):\u003c\/strong\u003e #43 (0.089\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance hole (close fit):\u003c\/strong\u003e #31 (0.120\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance hole (free fit):\u003c\/strong\u003e #30 (0.128\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTo thread a #4-40 hole, drill with a #43 (0.089\") tap drill for a standard 75% thread. For a clearance hole that the #4-40 screw passes through, use #31 (0.120\") for a close fit or #30 (0.128\") for a free fit. Pair with a matching #4-40 nut or tapped hole.\u003c\/p\u003e\n\u003cp\u003eOrders before 12 PM ET ship same day.\u003c\/p\u003e","products":[{"product_id":"4-40-x-1-2-button-head-socket-cap-screws-alloy-steel-black-oxide","title":"#4-40 x 1\/2\" Button Head Cap Screws \/ Alloy Steel \/ Black Oxide \/ Made in USA","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" button head cap screw in Alloy Steel, black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea conversion coating that adds almost no dimension, so thread fit is unchanged; it is a mild rust inhibitor when oiled, not a weather coating\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eCOARSE THREAD (UNC)\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe default inch thread — faster to run down, more tolerant of dirt, damage and plating build-up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse (UNC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (100 pcs)","offer_id":53538814361892,"sku":"0408CSB-100","price":19.23,"currency_code":"USD","in_stock":true},{"title":"Package (10 pcs)","offer_id":53538814394660,"sku":"0408CSB-10","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/CSBC_6d530e58-8f60-4a51-bcec-c3ecaa9c7859.png?v=1777567882"},{"product_id":"4-40-x-1-4-button-head-socket-cap-screws-alloy-steel-black-oxide","title":"#4-40 x 1\/4\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Black Oxide \/ Made in USA","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in Alloy Steel, black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea conversion coating that adds almost no dimension, so thread fit is unchanged; it is a mild rust inhibitor when oiled, not a weather coating\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse (UNC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (100 pcs)","offer_id":53538823831844,"sku":"0404CSB-100","price":10.69,"currency_code":"USD","in_stock":true},{"title":"Package (10 pcs)","offer_id":53538823864612,"sku":"0404CSB-10","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/CSBC_09f9c368-d3ee-4a45-889b-59f8691ee40e.png?v=1777567910"},{"product_id":"4-40-x-3-16-button-head-socket-cap-screws-alloy-steel-black-oxide","title":"#4-40 x 3\/16\" Button Head Cap Screws \/ Alloy Steel \/ Black Oxide \/ Made in USA","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/16\" button head cap screw in Alloy Steel, black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea conversion coating that adds almost no dimension, so thread fit is unchanged; it is a mild rust inhibitor when oiled, not a weather coating\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eCOARSE THREAD (UNC)\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe default inch thread — faster to run down, more tolerant of dirt, damage and plating build-up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse (UNC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (100 pcs)","offer_id":53538841788708,"sku":"0403CSB-100","price":26.47,"currency_code":"USD","in_stock":true},{"title":"Package (10 pcs)","offer_id":53538841821476,"sku":"0403CSB-10","price":10.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/CSBC_b825e29e-e468-4cd7-a7ff-7d7a29c8bd9d.png?v=1777567964"},{"product_id":"4-40-x-3-4-button-head-socket-cap-screws-alloy-steel-black-oxide","title":"#4-40 x 3\/4\" Button Head Cap Screws \/ Alloy Steel \/ Black Oxide \/ Made in USA","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/4\" button head cap screw in Alloy Steel, black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea conversion coating that adds almost no dimension, so thread fit is unchanged; it is a mild rust inhibitor when oiled, not a weather coating\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eCOARSE THREAD (UNC)\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe default inch thread — faster to run down, more tolerant of dirt, damage and plating build-up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse (UNC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (100 pcs)","offer_id":53538847752484,"sku":"0412CSB-100","price":21.07,"currency_code":"USD","in_stock":true},{"title":"Package (10 pcs)","offer_id":53538847785252,"sku":"0412CSB-10","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/CSBC_bed9e8d6-a17a-47d7-8770-11f7a0e3134e.png?v=1777567980"},{"product_id":"4-40-x-3-8-button-head-socket-cap-screws-alloy-steel-black-oxide","title":"#4-40 x 3\/8\" Button Head Cap Screws \/ Alloy Steel \/ Black Oxide \/ Made in USA","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/8\" button head cap screw in Alloy Steel, black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea conversion coating that adds almost no dimension, so thread fit is unchanged; it is a mild rust inhibitor when oiled, not a weather coating\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eCOARSE THREAD (UNC)\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe default inch thread — faster to run down, more tolerant of dirt, damage and plating build-up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse (UNC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (100 pcs)","offer_id":53538853585188,"sku":"0406CSB-100","price":10.11,"currency_code":"USD","in_stock":true},{"title":"Package (10 pcs)","offer_id":53538853617956,"sku":"0406CSB-10","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/CSBC_9c7941d3-53cd-4ac8-ade2-a17a098b3802.png?v=1777567996"},{"product_id":"4-40-x-1-4-button-head-socket-cap-screw-full-thread-316-stainless-steel-passivated-astm-f593-alloy-group-2-316-asme-b18-3","title":"#4-40 x 1\/4\" Button Head Cap Screws, Full Thread \/ 316 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in 316 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e316 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003emolybdenum-bearing marine grade — materially better than 304 against chlorides, salt spray and pool chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 3 (316); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53594772865316,"sku":"062017-2500","price":73.44,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53594772898084,"sku":"062017-100","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_e2f73f05-6357-40d1-9f2d-c071df172b1f.jpg?v=1780616575"},{"product_id":"4-40-x-3-8-button-head-socket-cap-screw-full-thread-316-stainless-steel-passivated-astm-f593-alloy-group-2-316-asme-b18-3","title":"#4-40 x 3\/8\" Button Head Cap Screws, Full Thread \/ 316 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/8\" button head cap screw in 316 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e316 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003emolybdenum-bearing marine grade — materially better than 304 against chlorides, salt spray and pool chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse (Standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 3 (316); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609376907556,"sku":"062018-2500","price":78.05,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609376940324,"sku":"062018-100","price":10.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_9b683c2f-017e-4018-849c-e28298586978.jpg?v=1780464030"},{"product_id":"4-40-x-5-8-button-head-socket-cap-screw-full-thread-316-stainless-steel-passivated-astm-f593-alloy-group-2-316-asme-b18-3","title":"#4-40 x 5\/8\" Button Head Cap Screws, Full Thread \/ 316 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 5\/8\" button head cap screw in 316 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e316 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003emolybdenum-bearing marine grade — materially better than 304 against chlorides, salt spray and pool chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 3 (316); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609376973092,"sku":"062020-2500","price":147.5,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609377005860,"sku":"062020-100","price":19.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_31de0ca9-cd24-4282-b557-bb6a8b8fb76c.jpg?v=1780616624"},{"product_id":"4-40-x-1-2-button-head-socket-cap-screw-full-thread-316-stainless-steel-passivated-astm-f593-alloy-group-2-316-asme-b18-3","title":"#4-40 x 1\/2\" Button Head Cap Screws, Full Thread \/ 316 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" button head cap screw in 316 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e316 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003emolybdenum-bearing marine grade — materially better than 304 against chlorides, salt spray and pool chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse (Standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 3 (316); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609377038628,"sku":"062019-2500","price":89.28,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609377071396,"sku":"062019-100","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_b5f2718a-f7ae-4c8c-b097-e79d085edf08.jpg?v=1780464030"},{"product_id":"4-40-x-3-4-button-head-socket-cap-screw-full-thread-316-stainless-steel-passivated-astm-f593-alloy-group-2-316-asme-b18-3","title":"#4-40 x 3\/4\" Button Head Cap Screws, Full Thread \/ 316 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/4\" button head cap screw in 316 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e316 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003emolybdenum-bearing marine grade — materially better than 304 against chlorides, salt spray and pool chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 3 (316); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609377169700,"sku":"062021-2500","price":173.12,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609377202468,"sku":"062021-100","price":23.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_9ddf110e-66c0-45a0-8c83-0cd7990e9dd5.jpg?v=1780616622"},{"product_id":"4-40-x-1-2-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/2\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609980461348,"sku":"201019-2500","price":131.88,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609980494116,"sku":"201019-100","price":17.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_66f9071c-5110-4609-bcaa-633b5eacb863.jpg?v=1780464218"},{"product_id":"4-40-x-3-8-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 3\/8\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/8\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609980592420,"sku":"201018-2500","price":131.81,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609980625188,"sku":"201018-100","price":17.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_eb3dd578-a897-4d9a-8add-8c24d00994fa.jpg?v=1780464218"},{"product_id":"4-40-x-1-4-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/4\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609980723492,"sku":"201017-2500","price":123.06,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609980756260,"sku":"201017-100","price":16.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_53ab0d78-1d85-4d57-9f85-32aa7f16ce48.jpg?v=1780464218"},{"product_id":"4-40-x-5-16-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 5\/16\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 5\/16\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e5\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609986752804,"sku":"701025-2500","price":129.06,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609986785572,"sku":"701025-100","price":17.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_9fae3af8-7ccd-4201-a3ac-bea8ef147944.jpg?v=1780464227"},{"product_id":"4-40-x-7-16-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 7\/16\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 7\/16\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e7\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609986818340,"sku":"701026-2500","price":139.62,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609986851108,"sku":"701026-100","price":18.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_b38fbb58-38be-4bf2-9309-22055869f0a6.jpg?v=1780464228"},{"product_id":"4-40-x-3-16-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 3\/16\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/16\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609986883876,"sku":"701024-2500","price":157.69,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609986916644,"sku":"701024-100","price":21.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_8b99bee4-8da4-4ba8-ad4c-53f337224729.jpg?v=1780464228"},{"product_id":"4-40-x-5-8-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 5\/8\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 5\/8\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609986949412,"sku":"701028-2500","price":150.5,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609986982180,"sku":"701028-100","price":20.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_63f47f84-9a51-481e-8728-3fd5c7b6d2fc.jpg?v=1780464227"},{"product_id":"4-40-x-3-4-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 3\/4\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/4\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609987080484,"sku":"701031-2500","price":170.75,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609987113252,"sku":"701031-100","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_9a518727-9ca5-43a9-b73a-979f51aabaae.jpg?v=1780464228"},{"product_id":"4-40-x-7-8-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 7\/8\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 7\/8\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609987244324,"sku":"701032-2500","price":181.12,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609987277092,"sku":"701032-100","price":24.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_c1c33ab3-76f5-4275-acbb-4ef3a96eee42.jpg?v=1780464229"},{"product_id":"4-40-x-1-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609987572004,"sku":"701033-2500","price":234.94,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609987604772,"sku":"701033-100","price":31.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_a9119fa5-1163-4b2b-86f4-1697ed3ddc17.jpg?v=1780464229"},{"product_id":"4-40-x-1-1-4-button-head-socket-cap-screw-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1 1\/4\" Button Head Cap Screws \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1 1\/4\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1 1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53609988030756,"sku":"701050-1000","price":471.04,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609988063524,"sku":"701050-100","price":158.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_d9a4b05a-0853-433e-8c95-8a0f49060af3.jpg?v=1780464232"},{"product_id":"4-40-x-9-16-button-head-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 9\/16\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 9\/16\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609988292900,"sku":"701048-2500","price":603.11,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53609988325668,"sku":"701048-100","price":81.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_78d74f8d-1461-458b-a7ed-b3278cbe6245.jpg?v=1780616738"},{"product_id":"4-40-x-1-1-2-button-head-button-head-socket-cap-screw-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1 1\/2\" Button Head Cap Screws \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1 1\/2\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53609988653348,"sku":"701055-2500","price":851.25,"currency_code":"USD","in_stock":false},{"title":"Package (100 pcs)","offer_id":53609988686116,"sku":"701055-100","price":114.41,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_86a95964-6f00-492c-b8cf-dc2977179656.jpg?v=1780616739"},{"product_id":"4-40-x-1-8-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/8\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/8\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53610010116388,"sku":"701303-2500","price":389.25,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610010149156,"sku":"701303-100","price":52.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_72cdbbc1-91b7-4202-8b03-ce78af5bcc6e.jpg?v=1780464248"},{"product_id":"4-40-x-1-1-2-button-head-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1 1\/2\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1 1\/2\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53610014114084,"sku":"701331-2500","price":851.25,"currency_code":"USD","in_stock":false},{"title":"Package (100 pcs)","offer_id":53610014146852,"sku":"701331-100","price":114.41,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_36fa5a88-8a2a-47af-abd3-6f0d77e8e429.jpg?v=1780616739"},{"product_id":"4-40-x-1-4-button-head-socket-cap-screw-full-thread-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 1\/4\" Button Head Cap Screws, Full Thread \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53610014310692,"sku":"202017-2500","price":47.76,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610014343460,"sku":"202017-100","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_cc971a67-9174-4a71-af96-f0a1462c0373.jpg?v=1780464251"},{"product_id":"4-40-x-3-8-button-head-socket-cap-screw-full-thread-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 3\/8\" Button Head Cap Screws, Full Thread \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/8\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53610014376228,"sku":"202018-2500","price":50.81,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610014408996,"sku":"202018-100","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_fa7b67ef-dd52-4c76-925f-7711d51cd929.jpg?v=1780464252"},{"product_id":"4-40-x-1-2-button-head-button-head-socket-cap-screw-full-thread-18-8-stainless-steel-passivated-astm-f593-alloy-group-1-18-8-asme-b18-3","title":"#4-40 x 1\/2\" Button Head Cap Screws, Full Thread \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 2 (18-8); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53610014736676,"sku":"202019-2500","price":54.05,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610014769444,"sku":"202019-100","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_d631b9be-a5ed-4683-8934-01e6406cf974.jpg?v=1780616739"},{"product_id":"4-40-x-1-1-4-button-head-socket-cap-screw-full-thread-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1 1\/4\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1 1\/4\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1 1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Package (100 pcs)","offer_id":53610014802212,"sku":"701330-100","price":76.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Black_20Oxide_8461e797-5032-4360-a252-85b75e3507a3.jpg?v=1780464252"},{"product_id":"4-40-x-7-16-button-head-button-head-socket-cap-screw-full-thread-18-8-stainless-steel-passivated-astm-f593-alloy-group-1-18-8-asme-b18-3","title":"#4-40 x 7\/16\" Button Head Cap Screws, Full Thread \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 7\/16\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e7\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 2 (18-8); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53610021749028,"sku":"702022-2500","price":89.38,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610021781796,"sku":"702022-100","price":12.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_f07d292e-9386-4b23-be56-4d9981a1be08.jpg?v=1780616739"},{"product_id":"4-40-x-9-16-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 9\/16\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 9\/16\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53610022535460,"sku":"702023-2500","price":379.38,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610022568228,"sku":"702023-100","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_e33fad1e-6804-49ff-809b-4c35d22fc6ac.jpg?v=1780616741"},{"product_id":"4-40-x-5-16-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 5\/16\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 5\/16\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e5\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610027122980,"sku":"702057-1000","price":19.53,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610027155748,"sku":"702057-100","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_82fb3a8c-329f-4601-b0bd-4b96d9249b9e.jpg?v=1780464259"},{"product_id":"4-40-x-1-8-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 1\/8\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/8\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610027188516,"sku":"702053-1000","price":32.27,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610027221284,"sku":"702053-100","price":10.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_7c3221e9-a8b0-40b0-a528-58fd8c90a88a.jpg?v=1780464262"},{"product_id":"4-40-x-3-16-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 3\/16\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/16\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610027319588,"sku":"702054-1000","price":26.66,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610027352356,"sku":"702054-100","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_65792d19-97d0-4762-86bf-932f183af979.jpg?v=1780464259"},{"product_id":"4-40-x-7-8-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 7\/8\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 7\/8\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610027417892,"sku":"702060-1000","price":48.45,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610027450660,"sku":"702060-100","price":16.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_11b6d8be-3ddd-4c4f-8165-3f5ae9a180a7.jpg?v=1780464261"},{"product_id":"4-40-x-1-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 1\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610027483428,"sku":"702063-1000","price":49.28,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610027516196,"sku":"702063-100","price":16.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_995f7311-b28c-4d3f-bab4-61ea12f7a233.jpg?v=1780464260"},{"product_id":"4-40-x-5-8-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 5\/8\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 5\/8\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610027548964,"sku":"702058-1000","price":26.96,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610027581732,"sku":"702058-100","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_e9f7c2ae-cd9c-4644-8321-efebcf86ffa5.jpg?v=1780464259"},{"product_id":"4-40-x-1-1-4-button-head-socket-cap-screw-a2-stainless-steel-passivated-iso-3506-1-a2-70-asme-b18-3","title":"#4-40 x 1 1\/4\" Button Head Cap Screws \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1 1\/4\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSTAINLESS STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ecorrosion resistant through the whole section, not just the surface — a scratch does not start a rust bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1 1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eISO 3506-1 A2-70; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610027614500,"sku":"702064-1000","price":92.0,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610027647268,"sku":"702064-100","price":30.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_768cbb6c-00aa-4665-820f-598d7e2d928a.jpg?v=1780464260"},{"product_id":"4-40-x-3-4-button-head-button-head-socket-cap-screw-full-thread-18-8-stainless-steel-passivated-astm-f593-alloy-group-1-18-8-asme-b18-3","title":"#4-40 x 3\/4\" Button Head Cap Screws, Full Thread \/ 18-8 Stainless Steel \/ Passivated","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/4\" button head cap screw in 18-8 Stainless Steel, passivated finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003ePASSIVATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean acid treatment that strips free iron from the stainless surface so it cannot bleed rust down the workpiece\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003e18-8 STAINLESS\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe 300-series austenitic workhorse — non-magnetic, excellent general corrosion resistance, and it will not rust-stain the surface around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e18-8 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003ePassivated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F593 Alloy Group 2 (18-8); ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610030891300,"sku":"702059-1000","price":37.28,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610030924068,"sku":"702059-100","price":12.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Stainless_9e29f53d-4d6b-4044-822a-1c69118b2f78.jpg?v=1780616743"},{"product_id":"4-40-x-1-4-button-head-socket-cap-screw-full-thread-patch-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/4\" Button Head Cap Screws with Nylon Patch, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610050355492,"sku":"205017-1000","price":161.87,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610050388260,"sku":"205017-100","price":54.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Nylon_20Patch_20Button_20Head_20Alloy_5a6a111e-fac9-48ad-94a0-1da103d48ac4.png?v=1780464270"},{"product_id":"4-40-x-1-2-button-head-socket-cap-screw-full-thread-patch-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/2\" Button Head Cap Screws with Nylon Patch, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610050584868,"sku":"205019-1000","price":169.62,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610050617636,"sku":"205019-100","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Nylon_20Patch_20Button_20Head_20Alloy_312ec8f5-4a5d-42f5-84cd-6704ad4ec8a5.png?v=1780464269"},{"product_id":"4-40-x-3-8-button-head-socket-cap-screw-full-thread-patch-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 3\/8\" Button Head Cap Screws with Nylon Patch, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/8\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610050650404,"sku":"205018-1000","price":169.48,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610050683172,"sku":"205018-100","price":56.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Nylon_20Patch_20Button_20Head_20Alloy.png?v=1780464269"},{"product_id":"4-40-x-1-4-button-head-button-head-socket-cap-screw-full-thread-pellet-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/4\" Button Head Cap Screws with Nylon Pellet, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610544333092,"sku":"291017-1000","price":754.66,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610544365860,"sku":"291017-100","price":253.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Nylon_20Pellet_20Button_20Head_d2eeca0c-3bfa-4135-83f5-9f38ce69a876.png?v=1780616766"},{"product_id":"4-40-x-1-2-button-head-button-head-socket-cap-screw-full-thread-pellet-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/2\" Button Head Cap Screws with Nylon Pellet, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610544398628,"sku":"291019-1000","price":1198.45,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610544431396,"sku":"291019-100","price":402.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Nylon_20Pellet_20Button_20Head_8d0246f3-48ea-42d4-8056-acd16496518e.png?v=1780616766"},{"product_id":"4-40-x-3-8-button-head-button-head-socket-cap-screw-full-thread-pellet-alloy-steel-black-oxide-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 3\/8\" Button Head Cap Screws with Nylon Pellet, Full Thread \/ Alloy Steel \/ Thermal Black Oxide","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/8\" button head cap screw in Alloy Steel, thermal black oxide finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eTHERMAL BLACK OXIDE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea hot black oxide finish for socket products — dimensionally neutral, and mildly rust inhibiting when oiled\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eThermal Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53610544628004,"sku":"291018-1000","price":716.88,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53610544660772,"sku":"291018-100","price":240.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Nylon_20Pellet_20Button_20Head_345ccff3-ad04-43b6-bd0a-c517572d6608.png?v=1780616768"},{"product_id":"4-40-x-1-4-button-head-button-head-socket-cap-screw-full-thread-alloy-steel-zinc-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/4\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Mechanical Zinc","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in Alloy Steel, zinc finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eSOCKET HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea cylindrical head driven by hex key — high torque capacity in a small footprint, and it counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eZINC PLATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean electroplated barrier for interior and sheltered work; it will not survive sustained weather or contact with treated lumber\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSocket Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eMechanical Zinc; ASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53632277643556,"sku":"839017-1000","price":286.01,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53632277676324,"sku":"839017-100","price":96.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Mechanical_20Zinc_b401b5e3-927e-40a5-835d-4eac33370631.png?v=1780617458"},{"product_id":"4-40x1-2-ft-button-socket-caps-coarse-alloy-mechanical-zinc-cr-3-alloy-alloy-steel-zinc-astm-f835-sae-j429","title":"#4-40 x 1\/2\" Button Head Cap Screws \/ Alloy Steel \/ Mechanical Zinc","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" fastener in Alloy Steel, zinc finish.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eZINC PLATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean electroplated barrier for interior and sheltered work; it will not survive sustained weather or contact with treated lumber\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eMechanical Zinc; ASTM F835; SAE J429\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53632278167844,"sku":"839019-1000","price":306.93,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53632278200612,"sku":"839019-100","price":103.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Mechanical_20Zinc_de6da417-dff1-404b-87ef-e678775a4d62.png?v=1780464793"},{"product_id":"4-40-x-3-8-button-head-socket-cap-screw-full-thread-alloy-steel-zinc-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 3\/8\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Mechanical Zinc","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 3\/8\" button head cap screw in Alloy Steel, zinc finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eZINC PLATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean electroplated barrier for interior and sheltered work; it will not survive sustained weather or contact with treated lumber\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eMechanical Zinc; ASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (1,000 pcs)","offer_id":53632278298916,"sku":"839018-1000","price":295.51,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53632278331684,"sku":"839018-100","price":99.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Mechanical_20Zinc_d55f627c-59b0-4bed-8453-a28c01962870.png?v=1780464791"},{"product_id":"4-40-x-1-4-button-head-socket-cap-screw-full-thread-alloy-steel-zinc-bake-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/4\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Zinc Bake","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/4\" button head cap screw in Alloy Steel, zinc finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eZINC PLATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean electroplated barrier for interior and sheltered work; it will not survive sustained weather or contact with treated lumber\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc Bake; ASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53632554008868,"sku":"874017-2500","price":110.69,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53632554041636,"sku":"874017-100","price":14.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Zinc_59dfee7f-33aa-44bb-aadb-14d84427c256.jpg?v=1780464862"},{"product_id":"4-40-x-1-2-button-head-socket-cap-screw-full-thread-alloy-steel-zinc-bake-astm-f835-sae-j429-asme-b18-3","title":"#4-40 x 1\/2\" Button Head Cap Screws, Full Thread \/ Alloy Steel \/ Zinc Bake","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e#4-40 x 1\/2\" button head cap screw in Alloy Steel, zinc finish. For exposed assemblies wanting a finished low-profile head.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eBUTTON HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea low domed head with a wide bearing face; finished appearance with less protrusion than a standard socket head\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eHEX SOCKET DRIVE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean internal hex taking an Allen key; high torque in a compact head that counterbores flush\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eZINC PLATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean electroplated barrier for interior and sheltered work; it will not survive sustained weather or contact with treated lumber\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eALLOY STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003equenched and tempered for high tensile strength; nearly always supplied with a protective finish since the base metal rusts readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#4-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eButton Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eHex Socket (Allen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc Bake; ASTM F835; SAE J429; ASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#43 (.089\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#33 (.113\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e#30 (.1285\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHex key size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (2,500 pcs)","offer_id":53632554074404,"sku":"874019-2500","price":121.19,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53632554107172,"sku":"874019-100","price":16.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/Button_20Head_20Cap_20Screw_20Zinc_4fb121d6-2a0f-4b5d-8393-1128792c3dd6.jpg?v=1780464867"}],"url":"https:\/\/www.ecomfasteners.com\/collections\/4-40-button-head-cap-screws.oembed?page=2","provider":"Ecom Fasteners","version":"1.0","type":"link"}